LG FBNC366GSA0, FBNC488RSA0, FBNC428GSA0, LBNC488RSS1 Owner’s Manual

LG

Concealed Duct Air Conditioner LG

OWNER'S MANUAL

IMPORTANT

Please read through this manual. It contains valuable information about your air conditioner. This manual may help save time and money by explaining proper product maintenance and preventing improper use.

PRECAUTIONS

Pay close attention to precautions in order to prevent potential hazards and damage from misuse or improper installation. LG is not responsible for any damages caused by misuse of the product.

Prior to installation, this air-conditioning unit must be submitted for approval by the utility service which provides electricity.

P/No.: 3828A21024J

Ceiling Duct Type Air Conditioner Owner’s Manual

TABLE OF CONTENTS

Safety Precautions.........................	3
Operating Instructions...................	8
Care and Maintenance .................	21
Before you call for service ..........	23

FOR YOUR RECORDS

Write the model and serial numbers here:

Model #

Serial #

You can find them on a label on the side of each unit.

Dealer's Name

Date Purchased

■Staple your receipt to this page in the event you need it to prove date of purchase or for warranty issues.

READ THIS MANUAL

Inside you will find many helpful hints on how to use and maintain your air conditioner properly. Just a little preventive care on your part can save you a great deal of time and money over the life of your air conditioner.

You'll find many answers to common problems in the chart of troubleshooting tips. If you review our chart of

Troubleshooting Tips first, you may not need to call for service at all.

PRECAUTION

•Contact the authorized service technician for repair or maintenance of this unit.

•Contact the installer for installation of this unit.

•The air conditioner is not intended for use by young children or invalids without supervision.

•Young children should be supervised to ensure that they do not play with the air conditioner.

•When the power cord is to be replaced, replacement work shall be performed by authorized personnel only using only genuine replacement parts.

•Installation work must be performed in accordance with the National Electric Code by qualified and authorized personnel only.

2 Concealed Duct Air Conditioner

Safety Precautions

Safety Precautions

To prevent the injury of the user or other people and property damage, the following instructions must be followed.

■Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications.

This symbol indicates the possibility of death or serious injury.

This symbol indicates the possibility of injury or damage to properties only.

■ The meanings of the symbols used in this manual are as shown below.

Be sure not to do.

Be sure to follow the instruction.

■ Installation

Do not use a defective or underrated circuit breaker. Use this appliance on a dedicated circuit.

•There is risk of fire or electric shock.

For electrical work, contact			Always ground the product.
the dealer, seller, a qualified
electrician, or an Authorized
Service Center.
• Do not disassemble or repair			• There is risk of fire or electric
the product. There is risk of fire			shock"
or electric shock."

Install the panel and the	Always intstall a dedicated	Use the correctly rated
cover of control box securely.	circuit and breaker.	breaker or fuse.

•There is risk of fire or electric shock.

•Improper wiring or installation may cause fire or electric shock.

•There is risk of fire or electric shock.

Owner's Manual 3

Safety Precautions

Do not modify or extend the power cable.

•There is risk of fire or electric shock.

Do not install, remove, or re-install the unit by yourself (customer).

•There is risk of fire, electric shock, explosion, or injury.

Be cautious when unpacking and installing the product.

•Sharp edges could cause injury. Be especially careful of the case edges and the fins on the condenser and evaporator.

For installation, always contact the dealer or an Authorized Service Center.

• There is risk of fire, electric shock, explosion, or injury.

Be sure the installation area does not deteriorate with age.

If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury.

Do not install the product on a defective installation stand.

• It may cause injury, accident, or damage to the product.

Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open.

Moisture may condense and wet or damage furniture.

■ Operation

Take care to ensure that power cable could not be pulled out or damaged during operation.

•There is risk of fire or electric shock.

Do not place anything on	Do not plug or unplug the
the power cable.	power supply plug during
	operation.
• There is risk of fire or electric	• There is risk of fire or electric
shock.	shock.

4 Concealed Duct Air Conditioner

Safety Precautions

Do not touch(operate) the product with wet hands.

•There is risk of fire or electrical shock.

Do not store or use flammable gas or combustibles near the prodcut.

•There is risk of fire or failure of product.

Gasolin

Do not place a heater or other appliances near the power cable.

•There is risk of fire and electric shock.

Do not use the product in a tightly closed space for a long time.

• Oxygen deficiency could occur.

Do not allow water to run into electric parts.

•It may cause There is risk of fire, failure of the product, or electric shock.

When flammable gas leaks, turn off the gas and open a window for ventilation before turn the product on.

•Do not use the telephone or turn switches on or off.

•There is risk of explosion or fire.

If strange sounds, or small or smoke comes from product. Turn the breaker off or disconnect the power supply cable.

Stop operation and close the window in storm or hurricane. If possible, remove the product from the window before the hurricane arrives.

Do not open the inlet grill of the product during operation. (Do not touch the electrostatic filter, if the unit is so equipped.)

•There is risk of electric shock or fire.

•There is risk of property damage, failure of product, or electric shock.

•There is risk of physical injury, electric shock, or product failure.

When the product is soaked	Be cautious that water	Ventilate the product from
(flooded or submerged), contact	could not enter the product.	time to time when operating
an Authorized Service Center.		it together with a stove, etc.

•There is risk of fire or eletric shock.

•There is risk of fire, electric shock, or product damage.

• There is risk of fire or electric shock.

Owner's Manual 5

Safety Precautions

Turn the main power off when cleaning or maintaining the product.

• There is risk of electric shock.

When the product is not be used for a long time, disconnect the power supply plug or turn off the breaker.

•There is risk of product damage or failure, or unintended operation.

Take care to ensure that nobody could step on or fall onto the outdoor unit.

•This could result in personal injury and product damage.

■ Installation

Always check for gas (refrigerant) leakage after installation or repair of product.

•Low refrigerant levels may cause failure of product.

Install the drain hose to		Keep level even when
ensure that water is drained		installing the product.
away properly.
• A bad connection may cause		• To avoid vibration or water
water leakage.		leakage.

90°

Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods.

Use two or more people to lift and transport the product.

Do not install the product where it will be exposed to sea wind (salt spray) directly.

• It may cause a problem for your	• Avoid personal injury.	• It may cause corrosion on the product.
neighbors.		Corrosion, particularly on the condenser
		and evaporator fins, could cause product
		malfunction or inefficient operation.

■ Operation

Do not expose the skin directly to cool air for long periods of time. (Don't sit in the draft.)

• This could harm to your health.

Do not use the product for special purposes, such as preserving foods, works of art, etc. It is a consumer air conditioner, not a precision refrigeration system.

• There is risk of damage or loss of property.

6 Concealed Duct Air Conditioner

Safety Precautions

Do not block the inlet or outlet of air flow.

• It may cause product failure.

Use a soft cloth to clean. Do not use harsh detergents, solvents, etc.

•There is risk of fire, electric shock, or damage to the plastic parts of the product.

Do not touch the metal parts of the product when removing the air filter. They are very sharp!

• There is risk of personal injury.

Wax

Thinner

Do not step on or put anyting on the product. (outdoor units)

•There is risk of personal injury and failure of product.

Do not drink the water drained from the product.

•It is not sanitary and could cause serious health issues.

Always insert the filter securely. Clean the filter every two weeks or more often if necessary.

•A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage.

Use a firm stool or ladder when cleaning or maintaining the product.

•Be careful and avoid personal injury.

Do not insert hands or other objects through the air inlet or outlet while the prodcut is operated.

•There are sharp and moving parts that could cause personal injury.

Replace the all batteries in the remote control with new ones of the same type. Do not mix old and new batteries or different types of batteries.

• There is risk of fire or explosion

Do not recharge or disassemble the batteries. Do not dispose of batteries in a fire.

• They may burn or explode.

If the liquid from the batteries gets onto your skin or clothes, wash it well with clean water. Do not use the remote if the batteries have leaked.

•The chemicals in batteries could cause burns or other health hazards.

Owner's Manual 7

Operating Instructions

Operating Instructions

Name andFunction of Remote Controller

Remote Controller

1

17

18

19

7

8

9

10

11

12

13

		OPERATION		SET TEMP	FAN SPEED		SUB FUNCTION
				Room Temp	HI	AUTO	Heater	Preheat
					MED	JET	Defrost	Humidify
					LO	SLo	Filter	Out door
			2ndF	Time	ZONE		1 2 3 4
	Timer	Operation unit	No Func	Program set
	On Off
	Set no. Time	01 03	05 07	09 11 13	15 17	19	21	23

3

			2
			4
Timer	Cancel	2ndF	5
Program	Week	Holiday	6
		PLASMA	AUTO
		Set/Clr	15
Hour	Min	RESET	14

16

1.Operation display

Displays the operation conditions.

2.On/Off Button

Operation starts when this button is pressed, and stops when the button is pressed again.

3.Set Temperature Button

Used to set the temperature when the desired temperature is obtained.

4.FAN Operation Button

Used to circulate room air without cooling or heating.

5.Fan Speed Button

Used to set desired fan speed.

6.Operation Mode Selection Button

Used to select the operation mode.

•Auto Operation Mode.

•Cooling Operation Mode.

•Soft Dry Operation Mode.

•Heating Operation Mode.(except cooling model)

7.Timer Cancel Button

Used to cancel the timer.

8.Timer Set Button

Used to set the timer when the desired time is obtained.

9.Week Button

Used to set a day of the week.

10.Program Button

Used to set the weekly timer.

11.Holiday Button

Used to set a holiday of the week.

12.Time Set Button

Used to set the time of the day and change the time in the weekly timer Function.

13.Set and Clear Button

Used to set and clear the weekly timer.

14.Room Temperature Checking Button

Used to check the room temperature.

15.Auto Function Button

16.Reset Button

Used to set the current time and clear the setting time.

17.Wireless Remote Controller Receiver

18.Oeration Indicator

19.2nd Function Button

Display temperature can be different from actual room temperature if the remote controller is installed at the place where sun-rays are falling directly or the place nearby heat source.

8 Concealed Duct Air Conditioner

Operating Instructions

WirelessRemote Controller(optional)

This air-conditioner is equipped with wired remote controller basically. But if you want to be available with wireless remote controller, you pay for it.

Signal transmitter

		1
		3
	4	8
	2
		CANCEL
	5	7
	ON	OFF SET
	9	10
	6
	11

12	13
	Flip-up door
	(opened)

1.START/STOP BUTTON

Operation starts when this button is pressed and stops when the button is pressed again.

2.OPERATION MODE SELECTION BUTTON

Used to select the operation mode.

3.ROOM TEMPERATURE SETTING BUTTONS

Used to select the room temperature.

4.INDOOR FAN SPEED SELECTOR

Used to select fan speed in four steps low, medium, high and CHAOS.

5.ON/OFF TIMER BUTTONS

Used to set the time of starting and stopping operation.

6.TIME SETTING BUTTONS

Used to adjust the time.

7.TIMER SET/CANCEL BUTTON

Used to set the timer when the desired time is obtained and to cancel the Timer operation.

8.SLEEP MODE AUTO BUTTON

Used to set Sleep Mode Auto operation.

9.AIR CIRCULATION BUTTON

Used to circulate the room air without cooling or heating.

10.ROOM TEMPERATURE CHECKING BUTTON

Used to check the room temperature.

11.PLASMA(OPTIONAL)

Used to start or stop the plasma-purification function.

12.RESET BUTTON

Initialize remote controller.

13.2nd F Button

Used prior to using modes printed in blue at the bottom of buttons.

The wireless remote controller do not operate the swirl mode.

CAUTION:of handling the Remote Controller

•Aim at the signal receiver on the wired remote controller so as to operate.

•The remote control signal can be received at a distance of up to about 7m.

•Be sure that there are no obstructions between the remote controller and the signal receptor.

•Do not drop or throw the remote controller.

•Do not place the remote controller in a location exposed to direct sunlight, or near the heating unit, or any other heat source.

•Block a strong light over the signal receptor with a curtain or etc. so as to prevent the abnormal operation. (ex:electronic quick start, ELBA, inverter type fluorescent lamp)

Owner's Manual 9

Operating Instructions

Set theCurrentTime anda dayoftheWeek

1	Press the ' ' button.
	Hour

Each time the button is pressed, the number is changed from 00 to 23.

You can set the number of the current hour.

OPERATION SET TEMP FAN SPEED SUB FUNCTION

Time

2	Press the ' ' button.
	Min

Each time the button is pressed, the number is increased from 00 to 59.

You can set the number of the current minute.

OPERATION SET TEMP FAN SPEED SUB FUNCTION

Time

3 Press 'Week ' button.

Each time the button is pressed, a day of the week is shifted from sunday to saturday. You can set the day of the week.

Week	OPERATION SET TEMP FAN SPEED SUB FUNCTION

Time

4 Press the ' RESET ' button.

If you want to reset the current time and a day of the week, click the Reset button.

OPERATION SET TEMP FAN SPEED SUB FUNCTION

RESET

10 Concealed Duct Air Conditioner

Operating Instructions

Weekly Programming

1 Press the Program button.
The remote controller is displayed like a picture. Then ' Program set			', '				' and '01' is blinked.
Program	OPERATION			SET TEMP			FAN SPEED			SUB FUNCTION
				Program set
Time 01	03	05	07	09	11	13	15	17	19	21	23

2 Press the ' Week ' button.

Press Week button repeatedly until desired mode appears.

Week

Week

For example, if you want Thu, press button 4 times.

3 Select the time you want.

Press	Hour or Min button, then blinking letter is shown.
If you press Set/Clr button, then '		' shape appears.
nit
' 05	' shape means that five o'clock is reserved.

Using below buttons, you can reserve time.

Set/Clr

* For example, the air-conditioner is on 6,7,8 and 13~22 o'clock.

		OPERATION			SET TEMP			FAN SPEED			SUB FUNCTION
	Time 01	03	05	07	09	11	13	15	17	19	21	23
4	Press the Program button again to finish weekly programmining.
	Program

Owner's Manual 11

Operating Instructions

HolidaySetting

If Tuesday is a holiday in this week, you may set a holiday.

Program

1 Press the Program button.

Week

2Press the Week button. Select the Tuesday.

Holiday

3	Press the Holiday button.

			OPERATION			SET TEMP			FAN SPEED			SUB FUNCTION
Time	01		03	05	07	09	11	13	15	17	19	21	23

Then the remote controller will be displayed ' '.

The outside rectangular means holiday.

Program

4	Press the Program button again to finish holiday setting.

Timer Setting(Delaystart/Pre-setstop)

This function is used to turn on or turn off the product in several hours.

1	Press the Timer button	Timer
	to turn Timer on or off.
2	Change the timer setting until the desired time is set.

Cancel

3 If you want to cancel the timer setting, press the Cancel button.

12 Concealed Duct Air Conditioner

Operating Instructions

Operation Mode

Cooling Mode

Cooling Mode

Soft Dry Mode

Soft Dry Mode

Heating Mode

Auto Mode

(Cooling Model)

Auto Mode

(Heat Pump Model)

Operation

Procedure

1st

On/Off Button

OPERATION

SET TEMP

FAN SPEED

SUB FUNCTION

Room Temp

HI

AUTO

Heater

Preheat

MED

JET

Defrost

Humidify

LO

SLo

Filter

Out door

2ndF

Time

ZONE

1 2 3 4

Timer Operation unit No Func

Program set

On Off

2nd

Set no. Time 01 03 05 07

09 11 13

15 17

19

21

23

Operation Mode Selection Button

3

	3rd
			Room Temperature Setting Button
	4th
				Indoor Fan Speed Selection Button

Timer

Cancel

2ndF

Program Week Holiday

	Set/Clr
Hour	Min

PLASMA	AUTO
RESET

1

2

4

Owner's Manual 13

Operating Instructions

Cooling OperationMode

1 Press the On/Off Button.

2 Select Cooling Operation.

Press the Operation Mode Selection Button.

Each time the button is pressed, the operation mode is shifted in the arrow direction.

HEAT PUMP MODEL

Cooling Operation	Soft Dry Operation		Heating Operation		Auto Operation
COOLING MODEL
Operation Display
OPERATION SET TEMP FAN SPEED	SUB FUNCTION	OPERATION SET TEMP	FAN SPEED SUB FUNCTION	OPERATION	SET TEMP FAN SPEED SUB FUNCTION
HI					HI
			LO
Cooling Operation		Soft Dry Operation		Auto Operation

3 Set the temperature lower than the room temperature.

		OPERATION SET TEMP FAN SPEED SUB FUNCTION			• The temperature can be set
			HI		within a range of 18°C ~ 30°C
					by 1°C .

To raise the Temperature.

To lower the Temperature.

4 Set the fan speed.

Operation Display

OPERATION SET TEMP FAN SPEED SUB FUNCTION	OPERATION SET TEMP FAN SPEED SUB FUNCTION	OPERATION SET TEMP FAN SPEED SUB FUNCTION
HI
		MED
	LO

•Select the fan speed in three stepshigh, low, medium.

•The display shows high fan speed.

•Each time the button is pressed, the fan speed mode is shifted.

14 Concealed Duct Air Conditioner

Operating Instructions

Soft Dry OperationMode

This mode dehumidifies without overcooling.

1 Press the On/Off Button.

2 Select Soft Dry Operation.

Press the operation Mode Selection Button.

Each time the button is pressed, the operation mode is shifted in the arrow direction.

HEAT PUMP MODEL

Cooling Operation

Soft Dry Operation

Heating Operation

Auto Operation

COOLING MODEL

Operation Display

OPERATION SET TEMP FAN SPEED SUB FUNCTION	OPERATION SET TEMP FAN SPEED SUB FUNCTION	OPERATION SET TEMP FAN SPEED SUB FUNCTION
HI		HI
	LO

Cooling Operation

Soft Dry Operation

Auto Operation

3 During Soft Dry Operation.

•The indoor fan speed is automatically set to the low, so the shift of the indoor fan speed is impossible because it's already being set to the best speed for Dry Operation by Micom

Control.

Owner's Manual 15